Table 4 Testing interactions of Cognitive Impairments with Gait Speed and Grip Strength in the final model
# of free | Gait speed [iGait3] | Grip strength [iGrip4] | |||||||
|---|---|---|---|---|---|---|---|---|---|
-2LL | Parameters | BIC | Coef. | s.e. | P-level | Coef. | s.e. | P-level | |
Part A.1: Testing interactions one at a time: | |||||||||
Without interaction: [LLh4] | −58,867.3 | 115 | 118,586 | ||||||
iLSA1 on iGrip + Int[iGrip]5: [LLh5] | −58,858.9 | 117 | 118,584 | −0.033*** | 0.010 | 0.001 | |||
−2*(LLh4-LLh5) | 16.84*** | 2 | -2 | ||||||
iLSA1 on iGait + Int[iGait]6: [LLh6] | −58,862.6 | 116 | 118,584 | −0.018* | 0.007 | 0.014 | |||
−2*(LLh4-LLh6) | 9.46** | 1 | -2 | ||||||
sLSA1 on iGrip + Int[sGrip]7: [LLh7] | −58,865.0 | 117 | 118,596 | −0.051 | 0.031 | 0.095 | |||
−2†(LLh4-LLh7) | 4.48 | 2 | 10 | ||||||
Part B.1: Testing simultaneously, for iLSA, Int[iGrip] & Int[iGait] | |||||||||
iLSA on iGrip + Int[iGrip] + Int[iGait]: [LLh8] | − 58,858.7 | 118 | 118,591 | −0.011 | 0.008 | 0.141 | −0.026* | 0.011 | 0.020 |
−2†(LLh4-LLh8) | 17.09*** | 3 | 5 | ||||||
Part B.2: Testing the significance of Int[iGrip] and Int[iGait] | |||||||||
Excluding Int[iGait]: [LLLh9] | −58,858.9 | 117 | 118,584 | ||||||
−2†(LLh9-LLh8) | 0.25 | 1 | −7 | ||||||
Excluding Int[iGrip]: [LLh10] | −58,862.6 | 116 | 118,584 | ||||||
−2†(LLh10-LLh8) | 7.63* | 2 | 7 | ||||||
Part B.3: Testing the significance of Int[iGrip] | |||||||||
Without interaction + [iGrip]: [LLh11] | −58,865.7 | 116 | 118,590 | ||||||
−2†(LLh11-LLh5) | 13.69*** | 1 | -6 | ||||||